0445120294 Injector Assembly for Yuchai YC6MK_EU4 Diesel Engine

0445120294 Injector Assembly for Yuchai YC6MK_EU4 Diesel Engine Featured Image
  • 0445120294 Injector Assembly for Yuchai YC6MK_EU4 Diesel Engine

Short Description:

 0445120293 common‑rail fuel injector assembly is a high‑precision replacement part for Yuchai YC6JA_EU3 diesel engines.

Product Detail

Product Tags

description

As the core precision fuel control component of Yuchai YC6MK high‑power diesel engine, 0445120294 undertakes long‑term high‑pressure fuel impact, frequent climbing load switching and continuous road vibration generated by heavy‑duty transportation and engineering operation. Ordinary standard injectors are prone to spray hole wear, internal valve core sealing failure and carbon deposition accumulation under long‑time full‑load operation and complex road conditions, resulting in coarse fuel atomization, incomplete cylinder combustion and obvious power attenuation in high‑speed and heavy‑load state. This Yuchai special injector is professionally calibrated targeting YC6MK high‑torque output characteristics, adopting high‑wear‑resistant precision nozzle and enhanced sealing valve group structure. The optimized layered atomization design fully breaks down large fuel particles, ensuring sufficient combustion output under high‑power demand. The upgraded internal pressure stabilization structure effectively suppresses fuel pressure fluctuation during frequent load changes, reduces invalid fuel backflow and improves overall fuel utilization rate. The integral reinforced structure resists long‑term road vibration and high‑pressure scouring fatigue. Every finished product passes professional bench tests including fuel supply uniformity, high‑load durability and atomization fineness detection, fully meeting the replacement and maintenance standards of original Yuchai engines.

product parameters

Model Number: 0445120294
Applicable Engine: Yuchai YC6MK_EU4 High‑power Diesel Engine
Applicable Equipment: Heavy‑duty logistics trucks, engineering dump trucks, municipal sanitation vehicles
Rated Working Pressure: 1600‑1750 bar, adaptive to high‑torque fuel supply demand
Working Temperature: ‑35℃ ~ +125℃, suitable for high‑temperature continuous operation and seasonal temperature difference environment
Material: High‑wear‑resistant precision alloy steel nozzle, enhanced anti‑seepage valve group, high‑temperature resistant aging‑proof sealing material
Included Parts: Precision atomization nozzle core, integrated pressure‑stabilizing valve assembly, full set of matching sealing repair accessories
Manufacturing Standard: OEM consistent micron‑level precision processing and engine matching calibration
Supply Status: Finished integrated assembly, 100% bench tested, ready for direct installation
Installation Method: Original vehicle position direct plug‑and‑play replacement, no modification required
Working Condition: Long‑distance heavy‑load cruising, mountain climbing operation, high‑dust construction site, frequent start‑stop cycle
Core Function: Improve full‑load climbing power, stabilize fluctuating idle speed, refine fuel atomization quality, eliminate mixed smoke emission, optimize high‑speed fuel economy and delay injector aging failure

advantage

・YC6MK Engine Special Calibration: Precisely tuned for Yuchai YC6MK high‑torque operating logic, perfectly matching original ECU fuel supply strategy, ensuring stable power output during climbing and heavy‑load driving.
・Layered Fine Atomization Technology: Adopts secondary stratified atomization structure to solve coarse atomization problem of ordinary injectors, make fuel combustion more thorough and effectively improve high‑speed power and fuel economy.
・Enhanced Anti‑Wear Nozzle Design: Upgraded high‑hardness wear‑resistant nozzle core, greatly reducing spray hole wear and deformation caused by long‑term high‑pressure injection, adapting to complex domestic diesel quality conditions.
・High‑Load Pressure Stabilization Performance: Optimized internal oil circuit structure, effectively suppressing oil pressure fluctuation and backflow loss during frequent load changes, maintaining consistent fuel supply volume under variable working conditions.
・Complete Assembly One‑Step Replacement: Equipped with full set of original matching sealing accessories, no need to purchase additional parts, simplify maintenance steps and shorten equipment downtime.
・Strict High‑Load Bench Test: Each batch of products undergoes continuous high‑load durability test and atomization detection to eliminate defective products and ensure stable batch consistency.

FAQ 

Q1: What core problems can 0445120294 injector solve for Yuchai YC6MK engine?

A: This dedicated injector effectively fixes typical problems of YC6MK high‑power engine, including insufficient climbing power under full load, unstable idle jitter, mixed black and blue smoke during acceleration, slow power response under heavy load, poor high‑speed endurance and gradually increased fuel consumption caused by injector wear and carbon deposition.

Q2: What vehicles and engines is 0445120294 compatible with?

A: It is specially designed for Yuchai YC6MK_EU4 emission standard diesel engines, widely applicable to heavy‑duty logistics trucks, engineering dump trucks and municipal sanitation vehicles equipped with YC6MK power units, with ultra‑high original machine interchangeability.

Q3: Is ECU coding required after installation?

A: Conventional replacement supports plug‑and‑play without ECU coding and calibration. For individual vehicles with updated emission system programs, simple fine‑tuning can be performed to achieve the best fuel injection accuracy and power matching effect.

warehouse

We have built four spare parts warehouses in Xuzhou, Jining, Kunshan and Changsha to provide customers from all over the world with a variety of high-quality spare parts. We can basically ship self-provided spare parts within three days after confirming the order. If the spare parts need to be adjusted or processed, they will be shipped within 7-30 days.

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